Hourly Weather Forecast - San Marcos, CA

12 AM
56°F
0%
5mph
ENE
Mostly Cloudy
Humidity
56%
Feels like
56°F
Dew Point
40°F
1 AM
56°F
0%
5mph
ENE
Mostly Cloudy
Humidity
57%
Feels like
56°F
Dew Point
41°F
2 AM
56°F
0%
5mph
ENE
Cloudy
Humidity
58%
Feels like
56°F
Dew Point
41°F
3 AM
55°F
0%
5mph
ENE
Cloudy
Humidity
61%
Feels like
55°F
Dew Point
42°F
4 AM
55°F
20%
5mph
ENE
Cloudy
Humidity
63%
Feels like
55°F
Dew Point
42°F
5 AM
54°F
20%
5mph
ENE
Cloudy
Humidity
67%
Feels like
54°F
Dew Point
44°F
6 AM
55°F
20%
5mph
ENE
Cloudy
Humidity
67%
Feels like
55°F
Dew Point
44°F
6:51 AM
7 AM
57°F
10%
4mph
ENE
Cloudy
Humidity
67%
Feels like
57°F
Dew Point
46°F
8 AM
60°F
10%
4mph
ENE
Cloudy
Humidity
66%
Feels like
60°F
Dew Point
49°F
9 AM
65°F
10%
3mph
ENE
Cloudy
Humidity
61%
Feels like
65°F
Dew Point
51°F
10 AM
68°F
10%
3mph
ENE
Cloudy
Humidity
54%
Feels like
68°F
Dew Point
51°F
11 AM
71°F
20%
3mph
E
Cloudy
Humidity
52%
Feels like
71°F
Dew Point
52°F
12 PM
71°F
20%
2mph
SE
Cloudy
Humidity
53%
Feels like
71°F
Dew Point
53°F
1 PM
69°F
20%
2mph
SSE
Cloudy
Humidity
56%
Feels like
69°F
Dew Point
53°F
2 PM
67°F
30%
2mph
SE
30% Chance of Light Rain
Humidity
64%
Feels like
67°F
Dew Point
54°F
3 PM
64°F
30%
2mph
NNE
30% Chance of Light Rain
Humidity
69%
Feels like
64°F
Dew Point
54°F
4 PM
62°F
40%
2mph
N
40% Chance of Light Rain
Humidity
75%
Feels like
62°F
Dew Point
54°F
4:51 PM
5 PM
59°F
40%
2mph
NNE
40% Chance of Light Rain
Humidity
79%
Feels like
59°F
Dew Point
52°F
6 PM
57°F
40%
3mph
NE
40% Chance of Light Rain
Humidity
80%
Feels like
57°F
Dew Point
51°F
7 PM
56°F
40%
4mph
ENE
40% Chance of Light Rain
Humidity
82%
Feels like
56°F
Dew Point
50°F
8 PM
55°F
30%
4mph
ENE
30% Chance of Light Rain
Humidity
83%
Feels like
55°F
Dew Point
50°F
9 PM
55°F
30%
4mph
E
30% Chance of Light Rain
Humidity
83%
Feels like
55°F
Dew Point
49°F
10 PM
55°F
30%
4mph
E
30% Chance of Light Rain
Humidity
83%
Feels like
55°F
Dew Point
49°F
11 PM
55°F
30%
4mph
E
30% Chance of Light Rain
Humidity
84%
Feels like
55°F
Dew Point
50°F

Snow Forecast Through Monday

Major Winter Storm Packs Heavy Snow, Significant Icing from Upper Midwest to New England

A major winter storm will deliver plentiful snow and significant icing from the Upper Midwest to New England.

Sunday's Weather Outlook

Sunday's Weather Outlook

Satellite image of Hurricane Melissa

2025 Year in Review: Powerful Hurricanes in the Atlantic

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Hurricane Erick at its peak intensity before making landfall on Guerrero, Mexico on June 19, 2025 (NOAA/Wikimedia Commons)

2025 Year in Review: Active Tropical Season for The Pacific

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide